Finding the Fourth Proportional to 5,328,417.12, 7,353,172.76 and 3,093,402.08
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Solution
The fourth proportional to 5,328,417.12, 7,353,172.76 and 3,093,402.08 is: 4,268,869.98
Step by Step Solution
- Step 1: Write the proportion equation
5,328,417.12 : 7,353,172.76 = 3,093,402.08 : x - Step 2: Convert to fraction form
5,328,417.12/7,353,172.76 = 3,093,402.08/x - Step 3: Cross multiply
5,328,417.12x = 7,353,172.76 × 3,093,402.08 - Step 4: Simplify right side
5,328,417.12x = 22,746,319,910,383.34 - Step 5: Solve for x
x = 22,746,319,910,383.34/5,328,417.12 - Step 6: Final answer
x = 4,268,869.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.